Drawbacks of the TF-IDF model
Suppose, on an e-commerce website, a customer is searching for a jacket and intends to purchase a jacket with a unique design. The keyword entered is
unique jacket. What happens at the Solr end?
unique is a comparatively rare keyword. There would be fewer items or documents that mention unique in their description. Let us see how this affects the ranking of our results via the TF-IDF scoring algorithm. A relook at the scoring algorithm with respect to this query is shown in the following diagram:
The following parameters in ...